The Mineral Workings Act 1951 (c. 60) The Mineral Workings Act 1951 (c. 60) Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. 9 para. 7(3) (4) repealed by Fireworks Act 2003 Sch. 41Paragraph 41 The Mineral Workings Act 1951 (c. 60)